<template>
  <el-dialog
    v-loading="loading"
    :title="!dataForm.id ? '新增' : '修改'"
    :close-on-click-modal="false"
    :visible.sync="visible"
  >
    <el-form
      :model="dataForm"
      :rules="dataRule"
      ref="dataForm"
      @keyup.enter.native="dataFormSubmit()"
      label-width="80px"
    >
      <el-form-item label="角色名称" prop="roleName">
        <el-input v-model="dataForm.roleName" placeholder="由数字字母下划线组成"></el-input>
      </el-form-item>
      <el-form-item label="备注" prop="remark">
        <el-input v-model="dataForm.remark" placeholder="备注"></el-input>
      </el-form-item>
      <el-form-item label="授权" style="height: 450px;overflow:auto;">
        <el-tree
          :data="menuList"
          :props="menuListTreeProps"
          node-key="menuId"
          ref="menuListTree"
          show-checkbox
        ></el-tree>
      </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
      <el-button @click="visible = false">取消</el-button>
      <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
    </span>
  </el-dialog>
</template>

<script>
import { treeDataTranslate } from '@/utils'

export default {
  data() {
    return {
      loading: false,
      visible: false,
      menuList: [],
      menuListTreeProps: {
        label: 'name',
        children: 'children'
      },
      tenantList: [],
      currentTenantId: this.$cookie.get('tenantId'),
      dataForm: {
        id: 0,
        roleName: '',
        remark: '',
        tenantId: ''
      },
      dataRule: {
        roleName: [
          { required: true, message: '角色名称不能为空', trigger: 'blur' }
        ]
      },
      tempKey: -666666 // 临时key, 用于解决tree半选中状态项不能传给后台接口问题. # 待优化
    }
  },
  mounted() {
    this.dataForm.tenantId = this.$cookie.get('tenantId')
  },
  methods: {
    init(id) {
      this.dataForm.id = id || 0
      if (this.dataForm.tenantId) {
        this.handlerChangeTenant(this.dataForm.tenantId)
      }
      this.visible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].resetFields()
        this.$refs.menuListTree.setCheckedKeys([])
        if (this.dataForm.id) {
          this.$http({
            url: this.$http.adornUrl(`/sys/role/info/${this.dataForm.id}`),
            method: 'post'
          }).then(data => {
            if (data && data.code === 200) {
              this.dataForm.roleName = data.data.roleName
              this.dataForm.remark = data.data.remark
              this.dataForm.tenantId = data.data.tenantId
              var idx = data.data.menuIdList.indexOf(this.tempKey)
              if (idx !== -1) {
                data.data.menuIdList.splice(
                  idx,
                  data.data.menuIdList.length - idx
                )
              }
              this.$refs.menuListTree.setCheckedKeys(data.data.menuIdList)
              // this.handlerChangeTenant(this.dataForm.tenantId)
            }
          })
        }
      })
    },
    // 表单提交
    dataFormSubmit() {
      this.loading = true
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          this.$http({
            url: this.$http.adornUrl(
              `/sys/role/${!this.dataForm.id ? 'save' : 'update'}`
            ),
            method: 'post',
            data: {
              userId: this.$cookie.get('userId'),
              roleId: this.dataForm.id || undefined,
              roleName: this.dataForm.roleName,
              remark: this.dataForm.remark,
              menuIdList: []
                .concat(
                  this.$refs.menuListTree.getCheckedKeys(),
                  [this.tempKey],
                  this.$refs.menuListTree.getHalfCheckedKeys()
                )
                .join(',')
            }
          }).then(data => {
            if (data && data.code === 200) {
              this.$message({
                message: '操作成功',
                type: 'success',
                duration: 1500
              })
              this.loading = false
              this.visible = false
              this.$emit('refreshDataList')
            } else {
              this.$message.warning(data.msg)
            }
          })
        }
      })
    },
    // 根据租户id获取所属租户的菜单
    handlerChangeTenant(tenantNum) {
      this.$http({
        url: this.$http.adornUrl('/sys/tenant/getTenantMenuByTenantId'),
        method: 'post',
        data: {
          tenantNum: tenantNum
        }
      }).then(res => {
        this.menuList = treeDataTranslate(res.data, 'menuId')
      })
    }
  }
}
</script>
